<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <script src="../org/angular.min.js"></script>
</head>
<body>
<style>
    .red{
        background: red;
    }
    .font{
        font-size: 100px;
    }
</style>
<div ng-app="hd" ng-controller="ctrl">
    <div ng-class="{red:false,font:false}">hdphp</div>
</div>
<script>
    var m = angular.module('hd', []);
    m.controller('ctrl', ['$scope', function ($scope) {

    }]);
</script>
</body>
</html>